Breathing apparatus

Details Breathing apparatus Breathing apparatus

1976-08-19

1978-09-05

Cohen, Irwin C.

Fluid handling

With indicator, register, recorder, alarm or inspection means

Fluid pressure responsive indicator, recorder or alarm

128142R, 13761402, 2511495, F16K 3700, F16L 2900

Patent

active

041113420

ABSTRACT:
In a breathing apparatus having a pressurized tank of a breathable gas, pressure reducing means attached to the outlet of said tank, a pressure gauge line attached to said pressure reducing means, and a breathing tube, the improvement comprising a quick connect-disconnect fluid coupling fluidly connected to said pressure gauge line. The fluid coupling is adapted for attachment to a like fluid coupling on a second pressure gauge line so that upon attachment, two users can simultaneously utilize a single tank of pressurized air.

REFERENCES:
patent: 214335 (1879-04-01), Westinghouse, Jr.
patent: 2453475 (1948-11-01), Tobias
patent: 3208449 (1965-09-01), Bartlett, Jr.
patent: 3238943 (1966-03-01), Holley
patent: 3462117 (1969-08-01), Lind
patent: 3575167 (1971-04-01), Michielsen
patent: 3995626 (1976-12-01), Pearce, Jr.

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